Seiko Cal. 7131 - 657

This Automatic model from 1982 features a 44mm Gold-Plated case. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-1b5361e9db43]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1982

Related Models

• Seiko 6230-993
• Seiko 6371-772
• Seiko 5270-223
• Seiko 3899-136
• Seiko 4454-583
• Seiko 6364-767
• Seiko 4428-900
• Seiko 6264-990
• Seiko 3885-338
• Seiko 3890-578
• Seiko 7161-884
• Seiko 4566-995